Current location - Training Enrollment Network - Mathematics courses - There is a math problem. Liar, Texas: Xiaoming and his grandfather add up to 70 years old. As we all know, grandpa is five times as old as Xiaoming. How old are they? Forget it.
There is a math problem. Liar, Texas: Xiaoming and his grandfather add up to 70 years old. As we all know, grandpa is five times as old as Xiaoming. How old are they? Forget it.
This ..... age can be a decimal?
Xiaoming is x years old and grandpa is 5x years old.
x + 5x = 70
X = 1 1.67 years old.
Xiaoming 1 1.67 years old, which means 12 years old.
Grandpa is 58.33 years old, which is 58 years old.